![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://junkwaxgems.wordpress.com/files/2009/11/drabek-var.jpg?w=640)
Taking a closer look at 1991 Topps Baseball, the 40th Anniversary issue
![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://waxpackgods.com/wp-content/uploads/2021/10/1987-Topps-baseball-cards-most-valuable.jpg)
1987 Topps Baseball Cards – 25 Most Valuable … Plus BONUS Listings! – Wax Pack Gods
![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://cdn5.mavin.io/production/soldItems/236778849/images/image-0.jpg)
barry bonds 320 error Values - MAVIN
![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://p.calameoassets.com/190306213536-e88e2d5bc2ff3f3c24545a50e40797e9/p1.jpg)
Calaméo - March 2019 Auction Catalog
![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://cconnect.s3.amazonaws.com/wp-content/uploads/2023/02/2023-Topps-Series-1-Baseball-Cards-All-Aces-playing-cards-die-cut-Shohei-Ohtani-new.jpg)
2023 Topps Series 1 Baseball Checklist, Set Info, Buy Boxes, Odds
![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://i.ytimg.com/vi/WyXhCRIP_Q8/maxresdefault.jpg)
Rare valuable error baseball card! 1982 Topps Blackless, worth up to many thousands of dollars!
![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://ansel.frgimages.com/buffalo-bills/jim-kelly-buffalo-bills-autographed-1987-topps-number-362-beckett-fanatics-witnessed-authenticated-rookie-card_pi4972000_ff_4972227-5c8366cf8e302b84974c_full.jpg?_hv=2&w=600)
Jim Kelly - Trading Cards
![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://i0.wp.com/blog.gocollect.com/wp-content/uploads/2022/03/03122A.jpg?fit=2500%2C1308&ssl=1)
Sports Card Errors: Collectors' Gold - GoCollect
![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://beckett-www.s3.amazonaws.com/news/news-content/uploads/2018/05/1990-Topps-Frank-Thomas-No-Name-on-Front-B-1.jpg)
Common Sports Card Printing Errors and What They're Worth
![Sold at Auction: Wrong Back Error -Bert Blyleven 1987 Topps Error Card](https://qph.cf2.quoracdn.net/main-qimg-3a5bd3a279c31748f1b106138e4117d3.webp)
Is a 1987 topps Barry bonds error card worth a lot of money? - Quora